Cometic Nissan RB-25 6 CYL 86mm .051 inch MLS Head Gasket - C4317-051

The Cometic Nissan RB-25 6 CYL 86mm .051 inch MLS Head Gasket - C4317-051 is a precision-engineered head gasket with a 86mm bore and .051" compressed thickness.

The Cometic Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers that conform to surface irregularities and maintain a positive seal. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.

• Material: Multi-Layer Steel (MLS)
• Bore Size: 86mm
• Thickness: .051" compressed
• Part Number: C4317-051